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A yellow diamond sign showing one of two lanes ending.
warning

Lane loss

One of the traffic lanes ends ahead.

What it means in practice

Traffic in the closing lane must merge. Plan your position early rather than forcing your way in at the last moment.

Description

A yellow diamond sign showing one of two lanes ending.

lanemerging

Sources

  • Rules of the Road · Road Safety Authority · Edition reflecting road traffic law as at 1 March 2025
    Last checked 2026-09-08

Other warning signs

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Independent learning application. Not affiliated with the Road Safety Authority or the official Driver Theory Test service. TheoryLane questions are written by TheoryLane from published Irish road-rule sources.